INVESTIGATION OF DIRECTIONAL SPREADING EFFECT ON WAVE RUN-UP USING SWASH

Tomohiro Suzuki; Panagiotis Vasarmidis; Corrado Altomare; Sieglien De Roo; Marcel Zijlema

doi:10.9753/icce.v37.currents.6

Núm. 37 (2022), Swash, Nearshore Currents, and Long Waves

Núm. 37 (2022)

INVESTIGATION OF DIRECTIONAL SPREADING EFFECT ON WAVE RUN-UP USING SWASH

Swash, Nearshore Currents, and Long Waves

Publicado 2023-09-01

Tomohiro Suzuki
Panagiotis Vasarmidis
Corrado Altomare
Sieglien De Roo
Marcel Zijlema

Tomohiro Suzuki

Panagiotis Vasarmidis

Corrado Altomare

Sieglien De Roo

Marcel Zijlema

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INVESTIGATION OF DIRECTIONAL SPREADING EFFECT ON WAVE RUN-UP USING SWASH. (2023). Coastal Engineering Proceedings, 37, currents.6. https://doi.org/10.9753/icce.v37.currents.6

Resumen

In order to keep optimal safety of coastal lines, it is necessary to maintain an appropriate crest level of coastal dikes. This is designed based on wave run-up height and/or wave overtopping discharge. Therefore, it is important to estimate wave run-up and overtopping as accurate as possible. However, the influence of directional spreading on wave run-up and overtopping has not been fully understood yet. In this study, non-hydrostatic model SWASH (Zijlema et al., 2011) is used. First, we implemented a wave run-up model in SWASH in 2DV (flume like) and 3D (basin like). Then wave run-up are simulated for some different cases and compared to the existing empirical wave run-up formulas in literature (e.g. Holman, 1986 and Mase, 1989).

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Referencias

Altomare, Suzuki, Verwaest (2020): Influence of directional spreading on wave overtopping of sea dikes with gentle and shallow foreshores. Coastal Engineering, ELSEVIER, 157: 103654.

Fiedler, Smit, Brodie, McNinch, Guza (2018): Numerical modeling of wave runup on steep and mildly sloping natural beaches, 131. Coastal Engineering, ELSEVIER, 106–113 pp.

Guza and Feddersen (2012): Effect of wave frequency and directional spread on shoreline runup. Geophysical research letters, vol. 39, L11607.

Holman (1986): Extreme value statistics for wave run-up on a natural beach. Coastal Engineering, ELSEVIER, 9: 527—544.

Mase (1989): Random wave runup height on gentle slope. J.Waterw. Port Coast. Ocean Eng. 115(5): 649–661.

Zijlema, Stelling and Smit (2011): SWASH: An operational public domain code for simulating wave fields and rapidly varied flows in coastal waters. Coastal Engineering, ELSEVIER, 58: 992-1012.

Esta obra está bajo una licencia internacional Creative Commons Atribución 4.0.

Derechos de autor 2023 Tomohiro Suzuki, Panagiotis Vasarmidis, Corrado Altomare, Sieglien De Roo, Marcel Zijlema

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INVESTIGATION OF DIRECTIONAL SPREADING EFFECT ON WAVE RUN-UP USING SWASH

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